Question

Several centuries ago, men called alchemists tried to transform common metals into gold. Even though they tried many different chemical and physical methods, they never succeeded because -

A. elements cannot be changed to other elements
by physical or chemical means


B. they did not add the correct material to
the common metal

C. the common metals they worked with
were not pure

D. they could not heat common metals to
extremely high temperatures

Answer 1

[AI-generated answer — Bot GPT 3.5]

A. elements cannot be changed to other elements by physical or chemical means